package com.kuang.config;

import org.springframework.web.servlet.LocaleResolver;
import org.thymeleaf.util.StringUtils;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Locale;

/**
 * 国际化
 */
public class MyLocaleResolver implements LocaleResolver {

    //解析登录页请求
    /**
     * <a class="btn btn-sm" th:href="@{/index.html(l='zh_CN')}">中文</a>
     * <a class="btn btn-sm" th:href="@{/index.html(l='en_US')}">English</a>
     */
    @Override
    public Locale resolveLocale(HttpServletRequest httpServletRequest) {

        //获取请求中的语言参数
        String language = httpServletRequest.getParameter("l");

        System.out.println("Debug===>" + language);

        Locale locale = Locale.getDefault();//如果没有就使用默认的

        //如果请求的链接携带了国际化的参数
        if(!StringUtils.isEmpty(language)){
            //以下划线分割
            String[] split = language.split("_");
            //国家，地区
            locale = new Locale(split[0],split[1]);
        }

        return locale;
    }

    @Override
    public void setLocale(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {

    }
}
